A C~0 plate bending element with refined shear deformation theory for composite structures

Sanjib Goswami

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A C~0 plate bending element with refined shear deformation theory for composite structures

机译：具有精细剪切变形理论的C〜0板弯曲单元

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A simple C~0 finite element formulation with embedded higher-order shear deformation theory and a 3-dimensional state of stress and strain for thick and thin laminated composite plates has been presented. The assumed displacement model accounts for parabolic variation of transverse shear strains and linear variation of normal strain through the plate thickness and therefore does not require any shear correction factors. The accuracy and validity of the present element has been established through numerical evaluation of deformation and stresses against convergence study and also plate bending response under various loading, boundary conditions and lamination types. The comparison of results from the present analysis with that of other available analytical/3D elasticity solutions and published finite element results correspond fairly well.

机译：提出了一种简单的C〜0有限元公式，该公式具有嵌入的高阶剪切变形理论和厚，薄层合板的3维应力和应变状态。假定的位移模型考虑了横向剪切应变的抛物线变化和板厚度范围内法向应变的线性变化，因此不需要任何剪切校正因子。通过对变形和应力进行数值评估以防止收敛研究，以及在各种载荷，边界条件和层压类型下的板弯曲响应，已经确定了本单元的准确性和有效性。本分析结果与其他可用分析/ 3D弹性解决方案的结果和已发布的有限元结果的比较相当吻合。

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来源
《Composite Structures》 |2006年第3期|p.375-382|共8页
作者
Sanjib Goswami;
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作者单位

German Aerospace Center, Institute of Structures and Design, DLR Stuttgart, Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
laminate; higher-order theory; shear deformation; finite element; plate bending;

机译：层合板;高阶理论;剪切变形;有限元;板弯曲;

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1. A new plate bending element based on higher-order shear deformation theory for the analysis of composite plates [J] . A.H. Sheikh, A. Chakrabarti Finite Elements in Analysis and Design . 2003,第9期

机译：基于高阶剪切变形理论的新型板弯曲单元
2. Refined laminated composite plate element based on global-local higher-order shear deformation theory [J] . Zhen Wu, Ronggeng Chen, Wanji Chen Composite Structures . 2005,第2期

机译：基于整体局部高阶剪切变形理论的复合层板精制单元
3. Enhancement to four-node quadrilateral plate elements by using cell-based smoothed strains and higher-order shear deformation theory for nonlinear analysis of composite structures [J] . That-Hoang Lan T., Hieu Nguyen-Van, Thanh Chau-Dinh, Journal of Sandwich Structures and Materials . 2020,第7期

机译：通过使用基于细胞的平滑菌株和高阶剪切变形理论来增强四节点四边形板元件的复合结构的非线性分析
4. Higher order global-local theory coupled bending and extension for laminated composite plates and refined element methods [C] . Chen Wanji, Wu Zhen 8th Biennial Conference on Engineering Systems Design and Analysis 2006 vol.1 . 2006

机译：层合复合板的高阶整体局部理论耦合弯曲和延伸及精细单元法
5. Refined transverse shear strains in thick plate-shell elements. [D] . Ziyaeifar, Mansour. 1996

机译：厚板壳单元中的精细横向剪切应变。
6. A Refined Simple First-Order Shear Deformation Theory for Static Bending and Free Vibration Analysis of Advanced Composite Plates [O] . Hoang Nam Nguyen, Tran Thi Hong, Pham Van Vinh, 2019

机译：精细的简单一阶剪切变形理论用于高级复合板的静态弯曲和自由振动分析
7. A (C^1) bending element for composite plates based on a high-order shear deformation theory [O] . Tran Ich Thinh, Ngo Nhu Khoa, Do Tien Dung 2008

机译：基于高阶剪切变形理论的复合板+（C ^ 1 ）弯曲元件
8. Development of a Finite Element Method Program for the Analysis of Laminated Composite Plates Using First-Order Shear Deformation Theory. [R] . Pauer, B. A. 1993

机译：用一阶剪切变形理论分析层合复合板的有限元程序。

A C~0 plate bending element with refined shear deformation theory for composite structures

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